CRUD — Create, Read, Update, Delete — operations allow a developer to manage and access the data in their databases in a way that is appropriate to a persistent storage application. CRUD operations can be implemented both in relational database management systems, like PostgresQL and MySQL, as well as non-relational database management systems like MongoDB and Firebase.

Considering non-relational DBMS, the lack of a relational structure between the data can cause some confusion when performing CRUD operations, because the nested structure of the data complicates each call, particularly with databases that use a document-and-collection structure like Firebase.

In Firebase, the…

Malika Abdulina

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